*{margin: 0;padding: 0;}
.nav-top{
    position: relative;
    height: 50px;
    overflow: hidden;
}
.nav-left{
    width: 500px;
    height: 50px;
    position: absolute;
    left: 0;
    top: 0;
}
.nav-right{
    width: 200px;
    height: 50px;
    position: absolute;
    right: 0;
    top: 0;
}
ul{
    list-style: none;
}
.nav-left li{
    line-height: 60px;
    width: 62px;
    float: left;
    text-align: center;
}

a{
    text-decoration: none;
    color: #000000;
    font-size: 15px;
}
a:hover{
    color:#44cef6;
}
.nav-right li{
    line-height: 60px;
    width: 62px;
    float: right;
    text-align: center;
}
.register{
    background-color:#44cef6;
    border-radius: 5px;
    color:white;
    padding: 5px 10px 5px 10px;
    border:none;
    outline: none;
    text-align: center;
}